/* Copyright (C) 2016 Alexander Shishenko <alex@shishenko.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
#include "StateCollector.h"
#include <QJsonArray>
#include <QLoggingCategory>

namespace librevault {

Q_LOGGING_CATEGORY(log_state, "state")

StateCollector::StateCollector(QObject* parent) : QObject(parent) {}
StateCollector::~StateCollector() {}

void StateCollector::global_state_set(QString key, QJsonValue value) {
	if(global_state_buffer[key] != value) {
		global_state_buffer[key] = value;
		qCDebug(log_state) << "Global state var" << key << "set to" << value;
		emit globalStateChanged(key, value);
	}
}

void StateCollector::folder_state_set(QByteArray folderid, QString key, QJsonValue value) {
	QJsonObject& folder_buffer = folder_state_buffers[folderid];
	if(folder_buffer[key] != value) {
		folder_buffer[key] = value;
		qCDebug(log_state) << "State of folder" << folderid.toHex() << "var" << key << "set to" << value;
		emit folderStateChanged(folderid, key, value);
	}
}

void StateCollector::folder_state_purge(QByteArray folderid) {
	if(folder_state_buffers.remove(folderid)) {
		qCDebug(log_state) << "Folder state" << folderid.toHex() << "purged";
	}
}

QJsonObject StateCollector::global_state() {
	return global_state_buffer;
}

QJsonArray StateCollector::folder_state() {
	QJsonArray folder_state_all;
	foreach(const QJsonObject& state_o, folder_state_buffers.values()) {
		folder_state_all << state_o;
	}
	return folder_state_all;
}

QJsonObject StateCollector::folder_state(QByteArray folderid) {
	return folder_state_buffers.value(folderid);
}

} /* namespace librevault */
